Cita APA (7th ed.)

Gilchrist, J. D. (1989). Extraction metallurgy (3a. ed.). Pergamon Press.

Cita Chicago (17th ed.)

Gilchrist, James Duncan. Extraction Metallurgy. 3a. ed. Oxford: Pergamon Press, 1989.

Cita MLA (9th ed.)

Gilchrist, James Duncan. Extraction Metallurgy. 3a. ed. Pergamon Press, 1989.